Ineed on this question someone plz !

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Which expression is equivalent to the expression shown?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit